/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import AdjusterButtonParams from './AdjusterButtonParams.js'
import DefaultValueOperator from '../../scripts/defaultValueOperator.js'

const JS_TAG = 'JS/Component/Adjuster Button : '
const ICON_LEFT_INACTIVE = '/common/img/base/ic_public_remove_inactive.svg'
const ICON_LEFT_ACTIVE = '/common/img/base/ic_public_remove_active.svg'
const ICON_RIGHT_INACTIVE = '/common/img/base/ic_public_add_norm_inactive.svg'
const ICON_RIGHT_ACTIVE = '/common/img/base/ic_public_add_norm_active.svg'

export default {
    props: ['config', 'data', 'title'],
    data: {
        count: 0,
        leftIcon: ICON_LEFT_INACTIVE,
        rightIcon: ICON_RIGHT_INACTIVE,
        defaultValue: 0,
    },
    computed: {
        isMinGears() {
            return this.defaultValue == this.minGears
        },
        isMaxGears() {
            return this.defaultValue == this.maxGears
        },
    },
    onInit() {
        this.$watch('config', 'configUpdate')
        this.$watch('data', 'dataUpdate')
        this.initConfig()
        this.initData()
    },
    configUpdate(newV, oldV) {
        this.initConfig()
    },
    dataUpdate(newV, oldV) {
        this.initData()
    },
    initConfig() {
        if (this.config == undefined) {
            return
        }
        let parsedConfig = AdjusterButtonParams.getAdjusterButtonConfig(this.config)
        this.title = this.$t(DefaultValueOperator.stringValue(parsedConfig.title, this.title))
        this.subTitle = this.$t(DefaultValueOperator.stringValue(parsedConfig.subTitle, this.subTitle))
        this.minGears = DefaultValueOperator.numberValue(parsedConfig.minGears, this.minGears)
        this.maxGears = DefaultValueOperator.numberValue(parsedConfig.maxGears, this.maxGears)
        this.step = DefaultValueOperator.numberValue(parsedConfig.step, this.step)
        this.leftIcon = DefaultValueOperator.imgPath(this.leftIcon, ICON_LEFT_INACTIVE, this.$app.$def.globalData.isDarkMode);
        this.rightIcon = DefaultValueOperator.imgPath(this.rightIcon, ICON_RIGHT_INACTIVE, this.$app.$def.globalData.isDarkMode);
    },
    initData() {
        if (this.data == undefined) {
            return
        }
        let parsedData = AdjusterButtonParams.getAdjusterButtonData(this.data)
        this.defaultValue = DefaultValueOperator.numberValue(parsedData.defaultValue, this.defaultValue)
    },
    leftTouchStart() {
        this.leftIcon = DefaultValueOperator.imgPath(ICON_LEFT_ACTIVE, ICON_LEFT_INACTIVE, this.$app.$def.globalData.isDarkMode);
    },
    leftTouchEnd() {
        this.leftIcon = DefaultValueOperator.imgPath(ICON_LEFT_INACTIVE, ICON_LEFT_INACTIVE, this.$app.$def.globalData.isDarkMode);
    },
    rightTouchStart() {
        this.rightIcon = DefaultValueOperator.imgPath(ICON_RIGHT_ACTIVE, ICON_RIGHT_ACTIVE, this.$app.$def.globalData.isDarkMode);
    },
    rightTouchEnd() {
        this.rightIcon = DefaultValueOperator.imgPath(ICON_RIGHT_INACTIVE, ICON_RIGHT_INACTIVE, this.$app.$def.globalData.isDarkMode);
    },
    onUp() {
        this.count = this.count + 1
        if ((this.defaultValue + this.step) > this.maxGears) {
            return
        }
        this.defaultValue = this.defaultValue + this.step
        this.onChange()
    },
    onDown() {
        this.count = this.count - 1
        if ((this.defaultValue - this.step) < this.minGears) {
            return
        }
        this.defaultValue = this.defaultValue - this.step
        this.onChange()
    },
    onChange() {
        this.$emit('onChange', {
            value: this.defaultValue
        })
    }
}